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790583

Sigma-Aldrich

Tungsten(IV) sulfide

nanopowder, 90 nm avg. part. size (SEM), 99% trace metals basis

Synonym(s):

Monotungsten disulfide, Tungsten disulfide

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About This Item

Linear Formula:
WS2
CAS Number:
12138-09-9
Molecular Weight:
247.97
EC Number:
235-243-3
MDL number:
MFCD00011467
UNSPSC Code:
12352302
PubChem Substance ID:
329768225
NACRES:
NA.23

Assay

99% trace metals basis

form

nanopowder

avg. part. size

90 nm (SEM)

density

7.5 g/mL at 25 °C (lit.)

SMILES string

S=[W]=S

InChI

1S/2S.W

InChI key

ITRNXVSDJBHYNJ-UHFFFAOYSA-N

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Application

Tungsten sulfide possesses a pseudo 2 dimensional structure with applications in the Petrochemical industry as a desulfurization catalyst. Tungsten Sulfide nanoparticles have drawn research interest due to their potential in solid-state lubricants; coatings and photocatalysts.

Storage Class Code

13 - Non Combustible Solids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

790583-VAR:
790583-BULK:
790583-5G:

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Jiang; Hong;
The Journal of Physical Chemistry C, 116(14), 7664-7671 (2012)
Rapoport; L.;
Nature, 387(6635), 791-793 (1997)
Voevodin; A. A.;
Thin Solid Films, 370(1;2), 223-231 (2000)
Yingfeng Qin et al.
Analytica chimica acta, 866, 84-89 (2015-03-04)
As an important antitumor drug, bleomycin (BLM) is widely used in the treatment of a variety of cancers. In addition, nucleases play a crucial role in DNA replication, recombination and repair which are associated with cancer development. Thus, the development
Jingjin Zhao et al.
Analytica chimica acta, 887, 216-223 (2015-09-01)
Herein, we introduced a tungsten disulfide (WS2) nanosheet and exonuclease III (Exo III) co-assisted signal amplification strategy for highly sensitive fluorescent polarization (FP) assay of DNA glycosylase activity. Two DNA glycosylases, uracil-DNA glycosylase (UDG) and human 8-oxoG DNA glycosylase 1
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